Dell PowerSwitch S4128T-ON Manuel d'installation - Page 36

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The S4100–ON Series (S4128F-ON, S4148F-ON, S4148FE-ON, S4128T-ON, S4148T-ON, and S4148U-ON) switch comes from

the factory with two PSUs and four fan modules installed in the chassis. The fan modules and the power supplies are hot-

swappable.

In addition to the power supply modules, you can order and install fan modules separately.

NOTE:

The S4100–ON Series switch supports two airflow direction options—normal and reverse. All fans and PSUs MUST

have the same airflow direction. If you mix the airflow direction, to avoid heat damage to the switch components, you must

correct the mixed airflow direction.

● Airflow is from the I/O panel to the PSU—normal.

● Airflow is from the PSU to the I/O panel—reverse.

Environmental factors can decrease the amount of time required between fan replacements. Check the environmental factors

regularly. An increase in temperature and particulate matter in the air might affect performance—for example, new equipment

installation.

CAUTION:

Check the fans at six-month intervals, and replace them as necessary. Regularly monitor the speeds

of the fans to accurately determine replacement intervals.

Topics:

•

Components

•

Fan module installation

Components

The following are the S4100–ON Series (S4128F-ON, S4148F-ON, S4148FE-ON, S4128T-ON, S4148T-ON, and S4148U-ON) fan

components.

● S4100–ON Series Fan module

● S4100–ON Series Fan module—reverse

Figure 26. S4100-ON Series fan modules

1. Fan units

Fan LEDs

● Solid green—fan function is normal.

● Flashing yellow (amber)—there is a fan fault.

● Off—fan is off.

Fans